Simple Definition of rearm
: to obtain new weapons
: to supply (someone or something) with new weapons
Full Definition of rearm
: to arm (as a nation or a military force) again with new or better weapons
: to become armed again
rearmamentplay \-ˈär-mə-mənt\ noun
Examples of rearm in a sentence
The treaty forbids the country to rearm.
Another country was rearming their enemies.
First Known Use of rearm
Seen and Heard
What made you want to look up rearm? Please tell us where you read or heard it (including the quote, if possible).